<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>博客园</title>
</head>
<body>
<div class="container">
    <div class="row">
        <div class="col-md-6 col-md-offset-3">
            <h4>404. 抱歉! 您访问的资源不存在!</h4>
        </div>
    </div>
</div>
</body>
</html>